Work vehicle grille



FIG. 1 is an elevated perspective view of the grille of a work vehicle as seen from the left front of the work vehicle embodying our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left-side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a back view thereof.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a work vehicle grille, as shown and described. 